54 PB
INSTALLATION
Installation of Indoor Unit
Connect the Pipe of the Indoor Unit
1. Aim the pipe joint at the corresponding bellmouth.(As show in Fig.5)
2. Pretightening the union nut with hand.
3. Adjust the torque force by referring to the following sheet. Place the open-end wrench on the pipe joint and place
the torque wrench on the union nut. Tighten the union nut with torque wrench.(As show in Fig.6)
4. Wrap the indoor pipe and joint of connection pipe with insulating pipe, and then wrap it with tape.(As show in Fig.7)
Insulating pipe
Torque wrench
Open-end
wrench
Indoor pipe
Pipe
Union nut
Pipe joint Union nut
Pipe
Refer to the following table for wrench moment of force
Fig.5 Fig.6
Fig.7
Hex nut diameter(inch) Tightening torque(ft∙Ibf)
Φ1/4 11~14.7
Φ3/8 22.8~29.5
Φ1/2 33.2~40.6
Φ5/8 44.3~47.9
Φ3/4 51.6~55.3
Refer to the following table for wrench moment of force
Hex nut diameter(inch) Tightening torque(ft∙Ibf)
Φ1/4 11~14.7
Φ3/8 22.8~29.5
Φ1/2 33.2~40.6
Φ5/8 44.3~47.9
Φ3/4 51.6~55.3
Install Drain Hose
1. Connect the drain hose to the outlet pipe of indoor unit.(As show in Fig.8)
2. Bind the joint with tape.(As show in Fig.9)
Note:
1. Add insulating pipe in the indoor drain hose in order to prevent condensation. (As show in Fig.10)
2. The plastic expansion particles are not provided.
Drain hose
Insulating pipe
Fig.10
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